csky/kernel/asm-offsets.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
0003
0004 #include <linux/sched.h>
0005 #include <linux/kernel_stat.h>
0006 #include <linux/kbuild.h>
0007 #include <abi/regdef.h>
0008
0009 int main(void)
0010 {
0011     /* offsets into the task struct */
0012     DEFINE(TASK_THREAD_INFO,  offsetof(struct task_struct, stack));
0013     DEFINE(TASK_FLAGS,        offsetof(struct task_struct, flags));
0014     DEFINE(TASK_PTRACE,       offsetof(struct task_struct, ptrace));
0015     DEFINE(TASK_THREAD,       offsetof(struct task_struct, thread));
0016     DEFINE(TASK_MM,           offsetof(struct task_struct, mm));
0017     DEFINE(TASK_ACTIVE_MM,    offsetof(struct task_struct, active_mm));
0018
0019     /* offsets into the thread struct */
0020     DEFINE(THREAD_KSP,        offsetof(struct thread_struct, sp));
0021     DEFINE(THREAD_FESR,       offsetof(struct thread_struct, user_fp.fesr));
0022     DEFINE(THREAD_FCR,        offsetof(struct thread_struct, user_fp.fcr));
0023     DEFINE(THREAD_FPREG,      offsetof(struct thread_struct, user_fp.vr));
0024
0025     /* offsets into the thread_info struct */
0026     DEFINE(TINFO_FLAGS,       offsetof(struct thread_info, flags));
0027     DEFINE(TINFO_PREEMPT,     offsetof(struct thread_info, preempt_count));
0028     DEFINE(TINFO_TP_VALUE,   offsetof(struct thread_info, tp_value));
0029     DEFINE(TINFO_TASK,        offsetof(struct thread_info, task));
0030
0031     /* offsets into the pt_regs */
0032     DEFINE(PT_PC,             offsetof(struct pt_regs, pc));
0033     DEFINE(PT_ORIG_AO,        offsetof(struct pt_regs, orig_a0));
0034     DEFINE(PT_SR,             offsetof(struct pt_regs, sr));
0035
0036     DEFINE(PT_A0,             offsetof(struct pt_regs, a0));
0037     DEFINE(PT_A1,             offsetof(struct pt_regs, a1));
0038     DEFINE(PT_A2,             offsetof(struct pt_regs, a2));
0039     DEFINE(PT_A3,             offsetof(struct pt_regs, a3));
0040     DEFINE(PT_REGS0,          offsetof(struct pt_regs, regs[0]));
0041     DEFINE(PT_REGS1,          offsetof(struct pt_regs, regs[1]));
0042     DEFINE(PT_REGS2,          offsetof(struct pt_regs, regs[2]));
0043     DEFINE(PT_REGS3,          offsetof(struct pt_regs, regs[3]));
0044     DEFINE(PT_REGS4,          offsetof(struct pt_regs, regs[4]));
0045     DEFINE(PT_REGS5,          offsetof(struct pt_regs, regs[5]));
0046     DEFINE(PT_REGS6,          offsetof(struct pt_regs, regs[6]));
0047     DEFINE(PT_REGS7,          offsetof(struct pt_regs, regs[7]));
0048     DEFINE(PT_REGS8,          offsetof(struct pt_regs, regs[8]));
0049     DEFINE(PT_REGS9,          offsetof(struct pt_regs, regs[9]));
0050     DEFINE(PT_R15,            offsetof(struct pt_regs, lr));
0051 #if defined(__CSKYABIV2__)
0052     DEFINE(PT_R16,            offsetof(struct pt_regs, exregs[0]));
0053     DEFINE(PT_R17,            offsetof(struct pt_regs, exregs[1]));
0054     DEFINE(PT_R18,            offsetof(struct pt_regs, exregs[2]));
0055     DEFINE(PT_R19,            offsetof(struct pt_regs, exregs[3]));
0056     DEFINE(PT_R20,            offsetof(struct pt_regs, exregs[4]));
0057     DEFINE(PT_R21,            offsetof(struct pt_regs, exregs[5]));
0058     DEFINE(PT_R22,            offsetof(struct pt_regs, exregs[6]));
0059     DEFINE(PT_R23,            offsetof(struct pt_regs, exregs[7]));
0060     DEFINE(PT_R24,            offsetof(struct pt_regs, exregs[8]));
0061     DEFINE(PT_R25,            offsetof(struct pt_regs, exregs[9]));
0062     DEFINE(PT_R26,            offsetof(struct pt_regs, exregs[10]));
0063     DEFINE(PT_R27,            offsetof(struct pt_regs, exregs[11]));
0064     DEFINE(PT_R28,            offsetof(struct pt_regs, exregs[12]));
0065     DEFINE(PT_R29,            offsetof(struct pt_regs, exregs[13]));
0066     DEFINE(PT_R30,            offsetof(struct pt_regs, exregs[14]));
0067     DEFINE(PT_R31,            offsetof(struct pt_regs, exregs[15]));
0068     DEFINE(PT_RHI,            offsetof(struct pt_regs, rhi));
0069     DEFINE(PT_RLO,            offsetof(struct pt_regs, rlo));
0070 #endif
0071     DEFINE(PT_USP,            offsetof(struct pt_regs, usp));
0072     DEFINE(PT_FRAME_SIZE,     sizeof(struct pt_regs));
0073
0074     /* offsets into the irq_cpustat_t struct */
0075     DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t,
0076                         __softirq_pending));
0077
0078     /* signal defines */
0079     DEFINE(SIGSEGV, SIGSEGV);
0080     DEFINE(SIGTRAP, SIGTRAP);
0081
0082     return 0;
0083 }